<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body {
        align-items: center;
        justify-content: center;
        background-color: #ccc;
      }

      .zhuti .shoba {
        width: 10em;
        height: 9em;
        margin: 200px auto;
        background-color: skyblue;
        border-bottom-left-radius: 1.5em;
        border-bottom-right-radius: 1.5em;
      }

      .zhuti .shoba {
        position: relative;
      }

      .zhuti .shoba::before {
        content: '';
        position: absolute;
        width: 100%;
        height: 2em;
        background-color: chocolate;
        border: 0.5em solid skyblue;
        box-sizing: border-box;
        border-radius: 50%;
        top: -1em;
        box-shadow: inset 0 0 1em rgba(0, 0, 0, 0.5);
      }

      .zhuti .shoba::after {
        content: '';
        position: absolute;
        width: 3em;
        height: 3.5em;
        border: 0.8em solid skyblue;
        border-radius: 50%;
        top: 20%;
        left: 80%;
      }
      p {
        position: absolute;
        top: 20%;
        left: 30%;
        color: #fff;
        font-weight: 700;
        text-align: center;
      }
    </style>
  </head>
  <body>
    <div class="zhuti">
      <div class="shoba">
        <p>儿童节</p>
      </div>
    </div>
  </body>
</html>
